Datasheet LT8610 (Analog Devices) - 4

LT8610
TYPICAL PERFORMANCE CHARACTERISTICS Efficiency at 5VOUT Efficiency at 3.3VOUT Efficiency at 5VOUT
100 100 100 95 95 90 90 90 80 85 85 70 60 80 80 50 75 75 40 70 70 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 65 65 20 fSW = 700kHz 60 fSW = 700kHz 60 fSW = 700kHz 10 VIN = 12V 55 VIN = 12V VIN = 12V VIN = 24V V 55 IN = 24V VIN = 24V 0 50 50 0.001 0.01 0.1 1 10 100 1000 10000 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 LOAD CURRENT (mA) LOAD CURRENT (A) LOAD CURRENT (A) 8610 G03 8610 G01 8610 G02
Efficiency at 3.3VOUT Efficiency vs Frequency Reference Voltage
100 96 0.985 V 90 OUT = 3.3V 0.982 94 80 0.979 70 92 0.976 60 0.973 50 90 0.970 40 88 EFFICIENCY (%) 0.967 30 EFFICIENCY (%) 0.964 20 86 fSW = 700kHz REFERENCE VOLTAGE (V) 0.961 10 VIN = 12V V 84 IN = 24V VIN = 12V 0.958 0 VIN = 24V 0.001 0.01 0.1 1 10 100 1000 10000 82 0.955 LOAD CURRENT (mA) 0.25 0.75 1.25 1.75 2.25 –55 –25 5 35 65 95 125 155 8610 G04 SWITCHING FREQUENCY (MHz) TEMPERATURE (°C) 8610 G05 8610 G06
EN Pin Thresholds Load Regulation Line Regulation
1.04 0.25 0.10 VOUT = 3.3V VOUT = 3.3V 1.03 0.20 V 0.08 IN = 12V ILOAD = 0.5A 1.02 0.15 0.06 0.04 1.01 0.10 (%) (%) EN RISING 0.05 0.02 1.00 OUT OUT 0 0 0.99 –0.05 –0.02 EN THRESHOLD (V) 0.98 CHANGE IN V –0.10 CHANGE IN V –0.04 0.97 EN FALLING –0.15 –0.06 0.96 –0.20 –0.08 0.95 –0.25 –0.10 –55 –25 5 35 65 95 125 155 0 0.5 1 1.5 2 2.5 3 0 5 10 15 20 25 30 35 40 45 TEMPERATURE (°C) LOAD CURRENT (A) INPUT VOLTAGE (V) 8610 G07 8610 G08 8610 G09 8610fa 4 For more information www.linear.com/LT8610 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts